2002 Ford Excursion Owner Guide 4th Printing - Page 249

Maintenance and Specifications 2. Carefully separate the two halves of the air filter housing. 3. Remove the air filter element from the open end of the air filter housing. 4. Install a new air filter element, ensuring the arrow on the top half of the air filter housing lines up with the notch on the bottom half of air filter housing. Be careful not to crimp the filter element edges between the air filter housing. This could cause filter damage and allow unmetered air to enter the engine if not properly seated. 5. Replace the two halves of the air filter housing and secure the clamp. INFORMATION ABOUT UNIFORM TIRE QUALITY GRADING New vehicles are fitted with tires that have a rating on them called Tire Quality Grades. The Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: • Treadwear 200 Traction AA Temperature A These Tire Quality Grades are determined by standards that the United States Department of Transportation has set. Tire Quality Grades apply to new pneumatic tires for use on passenger cars. They do not apply to deep tread, winter-type snow tires, space-saver or temporary use spare tires, tires with nominal rim diameters of 10 to 12 inches or limited production tires as defined in Title 49 Code of Federal Regulations Part 575.104(c)(2). 249